Used as a chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) requiring high enantiomeric purity. Its structure supports the creation of complex molecules in central nervous system agents and metabolic disorder treatments. Commonly employed in medicinal chemistry for building blocks in drug discovery due to the stability and functionalizability of the piperazine ring. Also utilized in asymmetric synthesis where the tert-butyl carbamate group acts as a protecting group, allowing selective reactions at other sites of the molecule.